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Патент USA US3092865

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June 11, 1963
J. K. SMITH
3,092,855
PADDLES FOR CANOES AND THE LIKE
Filed Sept. 29, 19595
FIG. 5.
V
w
INVENTOR
JOHN K. SMITH
United States Patent 0 ” IC€
1
3-,@§Z,855
Patented June 11, 1953
2
inside member 5. This member 6 houses the hand grips
3,092,355
per se 7 and has a ?ange 8 which acts as a guide and
John K. Smith, 2210v Marion St., Columbia 2, S.€.
Filed Sept. 29, 1959, Ser. No. 843,260
4 Claims. (Ci. 9—24)
member 6 by screws 9 through holes 9A is a third mem
PADDLES FOR CAN OES AND THE LIKE
retainer.
Corresponding to ?ange 8 and attachable to
ber 10 which acts as a retainer for member 6 as mem
ber 6 and thereby member 10, is rotated inside mem
This invention relates to paddles for canoes and the
ber 5.
like and is a continuation-in-part of my co-pending ap
FIGURE 4 clearly shows the arrangement of the posts
plication Serial Number 695,6011 ?led November 12, 1957,
4 through which bolts 13 pass and ‘by which my device
now US. Patent 2,913,727. In that application a dis 10 3 is attached to existing paddle stems 2 by the form ?tting
closure was made pertaining to an entirely new type of
stem engaging surfaces 4A of posts 4.
two bladed paddle characterized by the fact that spaced
FIGURE 5 shows the device assembled and attached
apart in the longitudinal plane of the paddle stern was a
to a stem 2 by bolts 13 through posts 4.
pair of transversely rotatable hand grips. This instant
FIGURE 6 is a partial ‘section taken along line 6—6
invention relates more particularly to a device that is an
of FIGURE 5 and shows the relation of the assembled
improvement thereover by the fact that it is attachable
parts.
to an existing well known two bladed paddle thereby con
To facilitate mutual rotation of the a?ixed members
verting such paddle into the more efi'icient paddle type
6 and 10 relative to member 5 the outer periphery of
disclosed in the above noted co-pending application. Such
member 6 is reduced at 6A and the inner periphery of
is the primary object of this improvement.
member 5 is reduced at 5A (see FIGURES 4 and v6) \suf?
Another object is to provide an improved positioning
cient to provide ‘a surface for positioning balls 11 (see
means and also an improved antifriction means.
FIGURES 6 and 6A) which serve to position member
The use of this invention or the invention disclosed
6 and thereby the hand grips 7 in the plane of the stem
in the parent application will also result in two bladed
2 as the balls 11 mate with the proper recesses 12. The
paddles being constructed much shorter in length and 25 balls 11 are forced into the selected recess 12 by the
therefore more easily manipulatable.
pressure of spring 14 which itself is retained by screw
The advantages of this invention will become appar
15 which also is used to increase the pressure on balls
ent from the following description in which:
11 thereby resisting loose rotation of the members 6
FIGURE 1 shows the overall appearance of a conven
and It} in member 5. It is contemplated that balls 11
tional type two-bladed paddle with my improved inven 30 are contained in member 6 and cannot move except to
tion attached.
drop in and out of recesses 12 and, upon a rotational force
FIGURE 2 is a side view of the paddle of FIGURE
being applied to member 6‘, be forced against the re
1 lying ?at.
sistance of spring 14 back into its retaining channel allow
FIGURE 3 is an end view of the entire paddle taken
along line 3——3 of FIGURE 1.
FIGURE 4 is a detailed exploded study of the hand
ing a ‘free rotation of the grips.
As a further aid to rotation it will be noted in FIGURE
6 that rotation between members 5 and 10 is facilitated
grip feature of my invention clearly showing the stem
by anti-friction balls 11A which travel in a peripheral
attaching means.
groove 12A which provides a track for balls 11A. The
FIGURE 5 is a view of a paddle stem section with my
40 balls 11A are contained in a boring in member 10‘ and
assembled device attached thereto.
held in engagement with recess 12A by the pressure of
FIGURE 6 is a partial section view taken along line
springs 14A which pressure is adjustably effected by
6—6 of FIGURE 5.
screw 15A. As an alternate, the recess 12A may be
FIGURE 6A is a magni?ed view of the indicated corre
omitted entirely thereby allowing balls 11A to bear against
sponding circled area of FIGURE 6 showing alternative 45 the ?at surface of member 5.
structure.
FIGURE 6A shows simpli?ed structure for providing
FIGURE 7 is a second embodiment of my invention.
FIGURE 8 is a ?at view of the embodiment disclosed
in FIGURE 7.
FIGURE 9 is a third embodiment of my invention.
Referring now to the drawings, wherein like reference
numerals refer to like and corresponding parts through
out the several views, the overall illustrative embodi
the positioning means and the ranti~friction means. It
can be seen that member It} is ?xed to member 6 by screws
9. It can be seen that member 6 does not have the re
duced portion disclosed at ‘6A in FIGURES 4 and 6. In
stead member 5 is smoothbore and the outer periphery of
member 6 corresponds thereto. As an aid to rotation balls
11A are provided within radial bores in member 5. Balls
11A are forced against the outer periphery of member 6
ment shown in FIGURES 1 and 2 comprises a paddle
having two blades 1 and the usual connecting stem 2. 55 by springs 14A which, in turn, are retained in the here by
screws 15A. As a positioning means, ball 11 is forced
Spaced apart longitudinally on steam 2 and between the
into recess 12 by the pressure of screw 15 applied to
blades 1 is found the detachable circular, and transversely
spring 14.
rotatable hand grip means, designated generally at 3 in
FIGURE 7 shows a second embodiment of my inven
FIGURE 1, which is the heart of my invention. It will
be noted that the device 3 is applied to existing old style 60 tion which consists of a stem type hand grip 16 being
positioned on member 17, which member 17 is spaced
paddles by an attaching post shown at 4 which allows
longitudinally on stem ‘2 and perpendicular thereto.
a bolt 13 to pass therethrough and also through stem 2.
FIGURE 8 shows a top view of the same embodiment
FIGURE 3 shows the position the device could take
of FIGURE 7. It can be clearly seen that the hand ‘grips
relative to the plane of the blades so as to effect the
proper angle when the blades enter the water on the 65 16 are rotatable about the longitudinal axis of the posts
17, which posts 17 are perpendicular to the paddle stern.
paddling stroke.
FIGURE 9 is a third embodiment of my invention and
Referring now to FIGURE 4, which is an exploded
in which the device 3 is placed in a stem 18 that has off
view of my invention and wherein the operator places his
set sections 19 so as to house the device 3 in the plane
hands, there is found an outer circular housing member
of the stem 18. The device 3 is ?xed to section 19 by any
5 which is ?xed relative to the stem 2 by virtue of the
suitable method, such as welding.
posts 4 and bolts 13. Adjacent member 5 is found a
It is to be understood that the species of FIGURES 7
second circular member 6 concentric with and rotatable
3,092,855
4
3
?rst circular member having said mounting post means
spaced expediently about the outer periphery thereof for
and 8 may also be attached to the stem in a plane as shown
in FIGURE 3 as Well as the plane co-incidcnt with the
paddle blades.
attaching said ?rst circular member to the outer periphery
This applies equally to the species of
of said stem in an off-set relation, a second circular ro~
FIGURE 9.
Having thus disclosed and described my invention; I 5 tatable member, a third circular rotatable member remov
ably attached to said second circular member and provid
~
ing mutual rotation therefor within said ?rst circular mem
1. An operating means for attaching to paddles for
'ber, anti-friction means co-actingly spaced between said
canoes and the like, wherein said paddles have two blades
?rst circular member and said second circular member,
and a connecting stem therebet-ween, said operating means
comprising a rotatable handle whose axis of rotation is 10 positioning means spaced to co-act between said ?rst cir
cular member and said second circular member for re
perpendicular to the longitudinal axis of said stem, said
leasably maintaining said ?rst circular member and said
operating means comprising mounting post means adapted
second circular member in a selected angular relation,
to be spaceably attachable longitudinally on said stem to
said second circular rotatable member housing said han
allow proper re-positioning of the respective hand With
claim:
out the removal of said hand from said handle.
15 dle.
2’. Longitudinally spaced operating means as in claim 1
wherein said operating means comprises a stationary ?rst
circular member having said mounting post means spaced
expediently about the outer periphery thereof for attach
ing said ?rst circular member to the outer periphery of 20
said stem in an oil-set relation, 1a second circular rotatable
member, a third circular rotatable member removably at
tached to said second circular member and providing
mutual rotation therefor within said ?rst circular member,
anti-friction means co-actingly spaced between said ?rst 25
circular member and said third circular member, posi
tioning means spaced to co-act between said ?rst circular
member and said second circular member for releasably
maintaining said ?rst circular member and said second
circular member in a selected angular relation, said sec 30
ond circular rotatable member housingtsaid handle.
3. Longitudinally spaced operating means as in claim
1 wherein said operating means comprises a stationary
4. An operating means as in claim 1 wherein said
mounting post means comprises a single member, said sin
gle member supporting said handle, said member being
perpendicularly positioned with respect to the longitudinal
axis of said stem.
References Cited in the ?le of this patent
UNITED STATES PATENTS
540,579
Davis ________________ __ June 4, 1895
2,153,939
Schaupp _____________ __ Apr. 11, 1939
2,343,726
2,913,727
Witt _________________ __ Mar. 7, 1944
Smith _______________ __ Nov. 17, 1959
103,809
Switzerland ___________ __ Mar. 1, 1924
FOREIGN PATENTS
OTHER REFERENCES
“Motor Boat Magazine,” January 1951, page 46.
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